CN109610955B - Fingerprint padlock - Google Patents
Fingerprint padlock Download PDFInfo
- Publication number
- CN109610955B CN109610955B CN201910059006.9A CN201910059006A CN109610955B CN 109610955 B CN109610955 B CN 109610955B CN 201910059006 A CN201910059006 A CN 201910059006A CN 109610955 B CN109610955 B CN 109610955B
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- Prior art keywords
- lock
- arm
- locking
- unlocking
- driving
- Prior art date
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- 238000003825 pressing Methods 0.000 claims abstract description 40
- 238000004146 energy storage Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000012795 verification Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B67/00—Padlocks; Details thereof
- E05B67/06—Shackles; Arrangement of the shackle
- E05B67/22—Padlocks with sliding shackles, with or without rotary or pivotal movement
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/0057—Feeding
- E05B2047/0058—Feeding by batteries
Abstract
The invention relates to the technical field of padlocks, in particular to a fingerprint padlock. The device comprises a U-shaped lock ring with unequal arms, a lock shell, a supporting shaft, a rotary latch, a clamp spring, a power unlocking device, a driving controller and a fingerprint identifier, wherein a guide lock cavity and a lock hole are formed in the lock shell; the rotary latch comprises a shaft sleeve part and a pressing latch arm, a locking opening is formed in the side wall of the guide lock cavity, a locking wedge opening is formed in the long arm part of the U-shaped locking ring of the unequal arm, and the pressing latch arm is abutted against the locking wedge opening in a locking state; the clamp spring is used for driving the pressing latch arm to approach the locking notch; the power unlocking device is used for driving the pressing latch arm to be away from the locking notch. The fingerprint identifier is used as an identification device for opening and closing the lockset, a user can perform locking and unlocking operations only by using a finger for fingerprint verification, and meanwhile, in a locking state, the pressing latch arm stably locks the U-shaped lock ring with different arms in the lock shell, so that the locking force of the lockset and the safety of the lockset are greatly improved, and the service life of an electric component in the lock shell is prolonged.
Description
Technical Field
The invention relates to the technical field of padlocks, in particular to a fingerprint padlock.
Background
Padlock is one of the most traditional and oldest types of locks. The traditional padlock is generally composed of a lock body, a lock core, a lock rod, a key and other main components, and the key is used for controlling the lock core to rotate in the lock body so as to control the lock rod to be locked into the lock hole or be pulled out of the lock hole, thereby realizing locking or unlocking of the padlock; however, the conventional padlock has the following drawbacks: 1. the key is easy to lose capacity and easy to forget to unlock; 2. the key is easy to copy and is not safe to use.
With the continuous improvement and development of technology, intelligent fingerprint padlocks using human fingerprints as identification carriers and means are becoming perfect, and make important contributions in the fields of security, theft prevention and the like, but certain defects still exist, such as: 1. the electric control lock cylinder inside the lock cylinder is driven by a driving device such as a motor to move so as to realize unlocking or locking, and in a locking state, the locking force of the locking structure of the existing lock cylinder is not high, and the lock cylinder is easily pried open under the forced action of external force, so that the lock cylinder cannot have a stable locking effect; 2. the lock is unlocked by simply relying on the electric control lock cylinder, and when the problems such as motor faults or other electric parts are damaged, the lock cannot be used continuously, so that inconvenience is brought to the use of users; 3. the internal locking and transmission parts are too many, the structure is complex, the volume can not be reduced, and the production cost is high. In view of this, there is a need for improvements over existing fingerprint padlocks.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention is directed to a fingerprint padlock.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a fingerprint padlock comprises an unequal arm U-shaped lock ring and a lock shell, wherein a guide lock cavity for the alignment and insertion of a long arm part of the unequal arm U-shaped lock ring and a lock hole for the alignment and insertion of the tail end of a short arm part of the unequal arm U-shaped lock ring are formed in the lock shell; it also includes:
the support shaft is encapsulated in the lock shell along the axial direction perpendicular to the guide lock cavity and distributed on the periphery of the guide lock cavity a;
a rotary latch; the rotary latch comprises a shaft sleeve part movably sleeved on the support shaft and a pressing latch arm which is formed by extending the outer peripheral wall of the shaft sleeve part outwards along the radial direction of the support shaft, a locking opening communicated with the inside of the lock shell is formed in the side wall of the guide lock cavity, which is positioned behind the support shaft, a locking wedge opening which is aligned with the locking opening is formed in the long arm part of the U-shaped locking ring of the unequal arm, and the outer end of the pressing latch arm is abutted against the locking wedge opening at the locking opening in a locking state;
the clamping spring is in transmission connection with the rotary latch and is used for driving the pressing latch arm to rotate so as to be close to the locking port;
the power unlocking device is in transmission connection with the pressing latch arm and is used for driving the pressing latch arm to rotate so as to enable the outer end of the pressing latch arm to be far away from the locking port;
the driving controller is encapsulated in the lock shell, and the power unlocking device is controlled by the driving controller;
the fingerprint identifier is embedded on the wall surface of the lock shell and is electrically connected with the driving controller.
Preferably, the power unlocking device comprises an unlocking slide block vertically distributed on the peripheral side of the supporting shaft and relatively parallel to the long arm part of the unequal arm U-shaped locking ring, a driving motor electrically connected with the driving controller and controlled by the driving controller, and an eccentric guide post arranged on a power output shaft of the driving motor, wherein one end of the unlocking slide block is provided with a linkage slide hole for the alignment and embedding of the eccentric guide post, the other end of the unlocking slide block is abutted against the front side wall surface of the abutting latch arm, and the eccentric guide post is aligned and embedded in the linkage slide hole and circularly moves around the central shaft of the driving motor under the driving of the driving motor so as to be used for driving the unlocking slide block to do translational movement along the direction parallel to the long arm part of the unequal arm U-shaped locking ring.
Preferably, a pressure spring is arranged in the guide lock cavity and positioned at the rear end side of the long arm part of the unequal arm U-shaped lock ring, the rear end of the pressure spring is abutted with the inner wall of the guide lock cavity, and the front end of the pressure spring is abutted with the rear end face of the long arm part of the unequal arm U-shaped lock ring.
Preferably, a limit ring groove is formed in the long arm part of the unequal arm U-shaped locking ring and positioned in front of the locking wedge opening, and a limit column matched with the limit ring groove is embedded in the limit ring groove on the inner wall of the guide lock cavity and positioned in the outline range of the limit ring groove.
Preferably, the lock further comprises a key lock head, wherein the key lock head is arranged on the lock shell along the axial direction perpendicular to the supporting shaft, and one end of the key lock head is embedded on the outer surface of the lock shell; the outer peripheral wall of the shaft sleeve part is outwards extended to form an unlocking radial arm, the inner end of the key lock head is formed with an eccentric radial shaft for driving the unlocking radial arm, and the key lock head drives the rotary latch to rotate through the eccentric radial shaft when the key lock head is rotated to unlock, so that the outer end of the pressing latch arm is far away from the locking notch.
Preferably, the lock further comprises a limit switch which is encapsulated in the lock shell and distributed on one side of the unlocking radial arm, the limit switch is electrically connected with the driving controller, and the unlocking radial arm is pressed on the limit switch in an unlocking state.
Preferably, the lock further comprises an energy storage battery encapsulated in the lock shell, the driving controller is a control circuit board, the energy storage battery is electrically connected with the control circuit board, and the control circuit board is further electrically connected with a power supply interface embedded on the outer surface of the lock shell.
Preferably, the energy storage battery is a button battery, a mounting seat for aligning and assembling the button battery is arranged in the lock shell, and the button battery is electrically connected with the control circuit board through the mounting seat.
Preferably, the lock further comprises a cover plate arranged in the lock shell, wherein the cover plate is distributed above the power unlocking device and used for packaging and limiting the driving motor and the unlocking sliding block in the lock shell.
Preferably, an indicator light electrically connected with the control circuit board is also embedded on the wall surface of the lock shell.
By adopting the scheme, the locking function of the lockset is realized by matching the rotary lock bolt, the clamp spring and the supporting shaft with the U-shaped locking ring of the unequal arm, and meanwhile, the unlocking function of the lockset can be realized by matching the fingerprint identifier, the driving controller and the power unlocking device with the rotary lock bolt, so that the whole lockset can be used as an identification device for opening and closing the lockset by using the fingerprint identifier, a user can perform locking and unlocking operations by using fingers, and simultaneously, the unequal arm U-shaped locking ring is stably locked in the lock shell by pressing the latch arm in the locking state, the locking force of the lockset and the safety of the lockset are greatly improved, and the locking force is automatically provided by the rotary lock bolt and the supporting shaft and is irrelevant to other electric control components in the lock shell, thereby greatly prolonging the service lives of other electric components in the lock shell and preventing the components from being damaged under the forced action of external force.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of an unequal arm U-shaped locking collar of an embodiment of the invention;
FIG. 3 is an exploded view of one embodiment of the present invention;
FIG. 4 is an exploded view of an embodiment of the present invention;
FIG. 5 is a schematic view of a power unlocking device according to an embodiment of the present invention;
FIG. 6 is a schematic view of the rotary latch and support shaft of an embodiment of the present invention;
FIG. 7 is a cross-sectional view of an embodiment of the present invention in a latched state;
FIG. 8 is a cross-sectional view of an embodiment of the present invention in an unlocked state;
FIG. 9 is a schematic diagram (I) of the embodiment of the present invention in a locked state;
FIG. 10 is a schematic diagram (one) of a structure of an embodiment of the present invention in an electrically controlled unlocked state;
FIG. 11 is a schematic diagram (one) of a manual unlocking state according to an embodiment of the present invention;
FIG. 12 is a schematic diagram (II) of the embodiment of the present invention in a locked state;
FIG. 13 is a schematic diagram (II) of a structure of an embodiment of the present invention in an electrically controlled unlocked state;
fig. 14 is a schematic structural view (ii) of the embodiment of the present invention in a manual unlock state.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawings, but the invention can be implemented in a number of different ways, which are defined and covered by the claims.
As shown in fig. 1 to 14, the fingerprint padlock provided in this embodiment includes:
for convenience in describing the structure of the whole padlock, the U-shaped shackle 10 with unequal arms is defined as a long arm 11, a U-shaped bent 12 and a short arm 13 according to the structural form thereof;
the lock shell 20 is formed by relatively assembling a surface shell 21 and a bottom shell 22 into a whole; a guide lock cavity a for the alignment and insertion of the long arm part 11 of the unequal arm U-shaped lock ring 10 and a lock hole b for the alignment and insertion of the tail end of the short arm part 13 of the unequal arm U-shaped lock ring 10 are simultaneously arranged on the same wall surface (such as the front wall surface) of the lock shell 20;
a supporting shaft 31, wherein the supporting shaft 31 is encapsulated in the lock shell 20 along the axial direction vertical to the guiding lock cavity a and distributed on the periphery of the guiding lock cavity a;
a rotary latch 32; the rotary latch 32 comprises a shaft sleeve part 321 movably sleeved on the supporting shaft 31 and a pressing latch arm 322 which is formed by extending the outer peripheral wall of the shaft sleeve part 321 outwards along the radial direction of the supporting shaft 31, a locking notch 23 communicated with the inside of the lock shell 20 is formed in the side wall of the guide lock cavity a, which is positioned behind the supporting shaft 31, a locking wedge opening c which is aligned with the locking notch 23 is formed in the long arm part 11 of the unequal arm U-shaped lock ring 10, and the outer end of the pressing latch arm 322 is pressed against the locking wedge opening c at the locking notch 23 in a locking state;
the clamping spring 33 is in transmission connection with the rotary latch 32 and is used for driving the pressing latch arm 322 to rotate so that the outer end of the pressing latch arm 322 is close to the locking notch 23 (preferably, the clamping spring 33 can be sleeved on the supporting shaft 31, one end of the clamping spring is clamped in the lock shell 20, and the other end of the clamping spring is fixed on the pressing latch arm 322);
the power unlocking device 40 is in transmission connection with the pressing latch arm 322 and is used for driving the pressing latch arm 322 to rotate so as to enable the outer end of the pressing latch arm 322 to be far away from the locking notch 23;
a driving controller 51, wherein the driving controller 51 is encapsulated in the lock case 20, and the power unlocking device 40 is controlled by the driving controller 51;
and a fingerprint identifier 52, wherein the fingerprint identifier 52 is embedded on the wall surface of the lock case 20 and is electrically connected with the driving controller 51.
Based on the above structure, the locking function of the lock can be realized by matching the rotary latch 32, the clamp spring 33 and the support shaft 31 with the unequal arm U-shaped lock ring 10, and meanwhile, the unlocking function of the lock can be realized by matching the fingerprint identifier 52, the driving controller 51 and the power unlocking device 40 with the rotary latch 32; when the short arm part 13 of the unequal arm U-shaped lock ring 10 is inserted into the lock hole b in an aligned manner, the locking wedge c on the long arm part 11 is just aligned with the locking notch 23 distributed on the guide lock cavity a, at this time, the clamping spring 33 automatically drives the rotary latch 32 to rotate so as to enable the outer end of the unequal arm U-shaped lock ring 322 to be abutted against the locking wedge c, thus realizing locking, since the locking wedge c is positioned at the rear side of the support shaft 31 (the length of the abutting latch arm 322 is longer than the vertical distance between the support shaft 31 and the long arm part 11), when an external force is encountered to force the unequal arm U-shaped lock ring 10 to be forcibly pulled out of the lock hole b and the guide lock cavity a, the outer end of the abutting latch arm 322 can firmly abut against the locking wedge c, the supporting force between the abutting latch arm 322 and the support shaft 31 is utilized to stably lock the unequal arm U-shaped lock ring 10 in the lock shell 20, the locking force of the lock is greatly improved, and the locking force of the lock is automatically provided by the rotary latch 32 and the support shaft 31, the locking force is greatly increased, the locking force is greatly independent of the power unlocking device 40 and other parts in the lock shell 20, and other parts can be prevented from being forced to suffer from the external force; meanwhile, when the fingerprint identifier 52 collects a correct fingerprint unlocking signal, the driving controller 51 verifies the collected fingerprint signal, and after verification is successful, the power unlocking device 40 is controlled to act, the pressing latch arm 322 is driven to rotate so that the outer end of the pressing latch arm 322 is far away from the locking notch 23, and therefore the abutting relation between the pressing latch arm 322 and the locking wedge opening c is relieved, and the unequal arm U-shaped lock ring 10 can be pulled out of the lock hole b and the guide lock cavity a to achieve unlocking. Based on this, the whole tool to lock utilizes fingerprint identification ware 52 as the recognition device that the tool to lock was opened and close, and the user only need utilize the finger to carry out fingerprint verification and can go on locking and unlocking operation, and under the locking state, the pressure is pressed the arm of bolt 322 and is locked inequality arm U type catch 10 in lock shell 20 steadily simultaneously, has greatly improved the security of the locking force and the tool to lock of tool to lock.
In order to optimize the structure of the lock, as a preferred solution, the power unlocking device 40 of the present embodiment includes an unlocking slide 41 vertically distributed on the peripheral side of the supporting shaft 31 and relatively parallel to the long arm portion 11 of the unequal arm U-shaped lock ring 10, a driving motor 42 electrically connected to the driving controller 51 and controlled by the driving controller 51, and an eccentric guide post 43 disposed on the power output shaft of the driving motor 42, one end of the unlocking slide 41 is provided with a linkage slide hole d for the alignment and engagement of the eccentric guide post 43, the other end of the unlocking slide 41 abuts against the front side wall surface of the pressing latch arm 322, and the eccentric guide post 43 is aligned and engaged in the linkage slide hole d and moves circumferentially around the central axis of the driving motor 42 under the driving of the driving motor 42 so as to drive the unlocking slide 41 to perform translational movement along the direction parallel to the long arm portion 11 of the unequal arm U-shaped lock ring 10. Thus, the unlocking slider 41 can be utilized to abut against and push the pressing latch arm 322 to rotate during the translational movement, so that the pressing latch arm 322 is separated from the locking wedge c, and the unequal-arm U-shaped lock ring 10 is unlocked. Since the power output by the eccentric guide post 43 is rotary, in order to ensure that the eccentric guide post 43 can drive the unlocking slide block 41 to do translational motion, the linkage slide hole d of the embodiment can be preferably provided in a strip-shaped opening structure along the up-down direction of the lock case 20.
In order to enable the unequal arm U-shaped lock ring 10 to automatically pop out for automatic unlocking during unlocking, a pressure spring 24 is disposed in the guide lock cavity a and on the rear end side of the long arm portion 11 of the unequal arm U-shaped lock ring 10 in this embodiment, the rear end of the pressure spring 24 abuts against the inner wall of the guide lock cavity a, and the front end abuts against the rear end face of the long arm portion 11 of the unequal arm U-shaped lock ring 10. In the unlocked state, that is, when the pressing latch arm 322 is separated from the latch wedge c, the long arm portion 11 of the unequal arm U-shaped lock ring 10 is automatically ejected forward by the elastic force of the pressure spring 24, so that the short arm portion 13 of the unequal arm U-shaped lock ring 10 is separated from the lock hole b, thereby realizing automatic unlocking.
In order to prevent the long arm portion 11 of the unequal arm U-shaped lock ring 10 from completely falling out of the guide lock cavity a, the long arm portion 11 of the unequal arm U-shaped lock ring 10 can be limited in the guide lock cavity a when the short arm portion 13 leaves the lock hole b, a limit ring groove e is formed in the long arm portion 11 of the unequal arm U-shaped lock ring 10 and located in front of the locking wedge c, and a limit column 25 is embedded in the inner wall of the guide lock cavity a and located in the outline range of the limit ring groove e. Preferably, in the locked state, the front end wall surface of the limit ring groove e abuts against the limit post 25, and in the unlocked state, the rear end wall surface of the limit ring groove e abuts against the limit post 25. Therefore, the travel of the long arm portion 11 of the unequal arm U-shaped lock ring 10 can be limited by utilizing the cooperation of the limit post 25 and the limit ring groove e, so as to prevent the long arm portion 11 of the unequal arm U-shaped lock ring 10 from completely falling out of the guide lock cavity a in the unlocked state, which results in the unequal arm U-shaped lock ring 10 and the lock case 20 to be placed separately, which is easy to cause the unequal arm U-shaped lock ring 10 to be lost or inconvenient for the user to perform re-locking.
In order to enrich the diversity of locksets, and ensure that mechanical unlocking can still be performed in a non-electric state, the fingerprint padlock of the embodiment further comprises a key lock 60, wherein the key lock 60 is arranged on the lock shell 20 along the axial direction perpendicular to the supporting shaft 31, and one end of the key lock 60 is embedded on the outer surface of the lock shell 20; an unlocking radial arm 323 is formed on the outer peripheral wall of the shaft sleeve 321 in an outward extending mode, an eccentric radial shaft 61 for driving the unlocking radial arm 323 is formed on the inner end of the key lock 60, and the key lock 60 drives the rotary latch 32 to rotate through the eccentric radial shaft 61 when in rotary unlocking so that the outer end of the pressing latch arm 322 is far away from the locking opening 23. The location of the arrangement is mainly determined by the structural distribution of the inside of the lock cylinder, preferably, the power unlocking device 40 is distributed on the front side of the support shaft 31, and the key lock 60 is distributed on the rear side of the support shaft 31, so as to maximally reduce the volume of the lock body. Therefore, when the user controls the key lock 60 to rotate by the key matched with the key lock 60, the eccentric rotation shaft 61 rotates by taking the central axis of the key lock 60 as the shaft, and is propped against the unlocking rotation arm 323 in the rotating process, so that the unlocking rotation arm 323 is driven to rotate, the pressing latch arm 322 is synchronously driven to rotate, the outer end of the pressing latch arm 322 is separated from the locking wedge opening c, and the manual unlocking is realized.
In order to facilitate the control of the driving motor 42 on the eccentric guide post 43, the padlock of the embodiment further includes a limit switch 53 encapsulated in the lock housing 20 and distributed on one side of the unlocking radial arm 323, wherein the limit switch 53 is electrically connected with the driving controller 51, and the unlocking radial arm 323 is pressed against the limit switch 53 in the unlocking state. Therefore, when the driving motor 42 drives the eccentric guide post 43 to rotate, when the unlocking radial arm 323 is pressed on the limit switch 53, the limit switch 53 feeds back a signal to the driving controller 51, the driving controller 51 controls the driving motor 42 to stop, and the driving motor 42 can be in an unlocking state at the moment, when the locking is required, the driving motor 42 drives the eccentric guide post 43 to rotate for 180 degrees to return to the original position, and the pressing latch arm 322 returns to the locking notch 23 to abut against the locking wedge opening c to be locked again; namely, the driving motor 42 can reasonably control the eccentric guide post 43 through the setting of the limit switch 53.
Further, the fingerprint padlock of the present embodiment further includes an energy storage battery 54 encapsulated in the lock case 20, the driving controller 51 is a control circuit board, the energy storage battery 54 is electrically connected with the control circuit board, and the control circuit board is further electrically connected with a power supply interface 55 embedded on the outer surface of the lock case 20. Therefore, the energy storage battery 54 can be utilized to provide electric energy guarantee for the electric components in the whole lockset, and the power supply interface 55 is utilized to charge the energy storage battery 54.
Further, in order to reduce the volume of the padlock, the energy storage battery 54 of the embodiment is a button battery, the lock case 20 is provided with a mounting seat 56 for aligning and assembling the button battery, and the button battery is electrically connected with the control circuit board through the mounting seat 56. To facilitate the installation of the button cell, a battery cover 26 is also provided on the lock housing 20 above the outline of the button cell to facilitate the opening of the battery cover 26 for replacement.
Further, to optimize the structure of the padlock, the fingerprint padlock of the present embodiment further includes a cover plate 27 disposed in the lock housing 20, wherein the cover plate 27 is disposed above the power unlocking device 40 for encapsulating and limiting the driving motor 42 and the unlocking slide 41 in the lock housing 20. Preferably, the upper end of the supporting shaft 31 is clamped on the sealing cover, and the lower end of the supporting shaft 31 is clamped in the lock housing 20. Therefore, the driving motor 42 and the unlocking slide block 41 are packaged between the sealing cover and the lock shell 20 by the cover plate 27, so that the internal structure of the lock is more stable, and the locking and unlocking of the lock are smoother; and at the same time, the installation of the internal components thereof can be facilitated.
Further, in order to facilitate the user to intuitively observe the state of the lock (such as the working state of the lock and the electric quantity storage state of the energy storage battery 54), an indicator lamp 57 electrically connected to the control circuit board is embedded on the wall surface of the lock case 20 in this embodiment.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the invention.
Claims (8)
1. A fingerprint padlock comprises an unequal arm U-shaped lock ring and a lock shell, wherein a guide lock cavity for the alignment and insertion of a long arm part of the unequal arm U-shaped lock ring and a lock hole for the alignment and insertion of the tail end of a short arm part of the unequal arm U-shaped lock ring are formed in the lock shell; the method is characterized in that: it also includes:
the support shaft is encapsulated in the lock shell along the axial direction perpendicular to the guide lock cavity and distributed on the periphery of the guide lock cavity a;
a rotary latch; the rotary latch comprises a shaft sleeve part movably sleeved on the support shaft and a pressing latch arm which is formed by extending the outer peripheral wall of the shaft sleeve part outwards along the radial direction of the support shaft, a locking opening communicated with the inside of the lock shell is formed in the side wall of the guide lock cavity, which is positioned behind the support shaft, a locking wedge opening which is aligned with the locking opening is formed in the long arm part of the U-shaped locking ring of the unequal arm, and the outer end of the pressing latch arm is abutted against the locking wedge opening at the locking opening in a locking state;
the clamping spring is in transmission connection with the rotary latch and is used for driving the pressing latch arm to rotate so as to be close to the locking port;
the power unlocking device is in transmission connection with the pressing latch arm and is used for driving the pressing latch arm to rotate so as to enable the outer end of the pressing latch arm to be far away from the locking port;
the driving controller is encapsulated in the lock shell, and the power unlocking device is controlled by the driving controller;
the fingerprint identifier is embedded on the wall surface of the lock shell and is electrically connected with the driving controller;
the power unlocking device comprises unlocking sliding blocks which are vertically distributed on the peripheral side of the supporting shaft and are relatively parallel to the long arm part of the unequal arm U-shaped locking ring, a driving motor which is electrically connected with the driving controller and is controlled by the driving controller, and an eccentric guide post which is arranged on a power output shaft of the driving motor, wherein one end of each unlocking sliding block is provided with a linkage sliding hole for the alignment and embedding of the eccentric guide post, the other end of each unlocking sliding block is abutted against the front side wall surface of the corresponding pressing latch arm, and the eccentric guide post is aligned and embedded in the linkage sliding hole and moves circumferentially around the central shaft of the driving motor under the driving of the driving motor so as to be used for driving the unlocking sliding block to do translational motion along the direction parallel to the long arm part of the unequal arm U-shaped locking ring;
the lock also comprises a key lock head, wherein the key lock head is arranged on the lock shell along the axial direction perpendicular to the supporting shaft, and one end of the key lock head is embedded on the outer surface of the lock shell; the outer peripheral wall of the shaft sleeve part is outwards extended to form an unlocking radial arm, the inner end of the key lock head is formed with an eccentric radial shaft for driving the unlocking radial arm, and the key lock head drives the rotary latch to rotate through the eccentric radial shaft when the key lock head is rotated to unlock, so that the outer end of the pressing latch arm is far away from the locking notch.
2. A fingerprint padlock as claimed in claim 1, wherein: the guide lock cavity is internally provided with a pressure spring at the rear end side of the long arm part of the unequal arm U-shaped lock ring, the rear end of the pressure spring is abutted with the inner wall of the guide lock cavity, and the front end of the pressure spring is abutted with the rear end face of the long arm part of the unequal arm U-shaped lock ring.
3. A fingerprint padlock as claimed in claim 1, wherein: and a limiting ring groove is formed in the long arm part of the unequal arm U-shaped locking ring and positioned in front of the locking wedge opening, and a limiting column matched with the limiting ring groove is embedded in the contour range of the limiting ring groove on the inner wall of the guide lock cavity.
4. A fingerprint padlock as claimed in claim 3, wherein: the lock is characterized by further comprising a limit switch which is encapsulated in the lock shell and distributed on one side of the unlocking radial arm, wherein the limit switch is electrically connected with the driving controller, and the unlocking radial arm is pressed on the limit switch in an unlocking state.
5. A fingerprint padlock as claimed in claim 1, wherein: the energy storage battery is electrically connected with the control circuit board, and the control circuit board is also electrically connected with a power supply interface embedded on the outer surface of the lock shell.
6. A fingerprint padlock as claimed in claim 5, wherein: the energy storage battery is arranged as a button battery, an installation seat used for aligning and assembling the button battery is arranged in the lock shell, and the button battery is electrically connected with the control circuit board through the installation seat.
7. A fingerprint padlock as claimed in claim 1, wherein: the lock further comprises a cover plate arranged in the lock shell, wherein the cover plate is distributed above the power unlocking device and used for packaging and limiting the driving motor and the unlocking sliding block in the lock shell.
8. A fingerprint padlock as claimed in claim 5, wherein: an indicator light electrically connected with the control circuit board is also inlaid on the wall surface of the lock shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910059006.9A CN109610955B (en) | 2019-01-22 | 2019-01-22 | Fingerprint padlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910059006.9A CN109610955B (en) | 2019-01-22 | 2019-01-22 | Fingerprint padlock |
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| CN109610955A CN109610955A (en) | 2019-04-12 |
| CN109610955B true CN109610955B (en) | 2024-03-08 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110094118A (en) * | 2019-06-06 | 2019-08-06 | 深圳沃圣数码科技有限公司 | A kind of lock structure and fingerprint-based padlock |
| CN110616971A (en) * | 2019-10-25 | 2019-12-27 | 深圳途泰科技有限公司 | Novel logistics padlock |
| CN110821308A (en) * | 2019-11-08 | 2020-02-21 | 深圳供电局有限公司 | Unlocking method of wireless password padlock and wireless password padlock structure |
| CN111075279A (en) * | 2020-01-19 | 2020-04-28 | 深圳市创维群欣安防科技股份有限公司 | Electronic lock |
| CN112709505A (en) * | 2020-12-25 | 2021-04-27 | 深圳指联云智能科技有限公司 | Intelligent U-shaped lock and unlocking method thereof |
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| CN201794402U (en) * | 2010-09-08 | 2011-04-13 | 宽丰工业股份有限公司 | Piezoelectric-actuated electronic induction padlock |
| CN108131065A (en) * | 2017-12-21 | 2018-06-08 | 浙江浦江梅花锁业集团有限公司 | A kind of padlock |
| KR20180127167A (en) * | 2017-05-19 | 2018-11-28 | 윤주원 | Lock with finger scan |
| CN109113458A (en) * | 2018-10-31 | 2019-01-01 | 深圳沃圣数码科技有限公司 | A kind of fingerprint-based padlock |
| CN209837986U (en) * | 2019-01-22 | 2019-12-24 | 深圳沃圣数码科技有限公司 | Fingerprint padlock |
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| CN201794402U (en) * | 2010-09-08 | 2011-04-13 | 宽丰工业股份有限公司 | Piezoelectric-actuated electronic induction padlock |
| KR20180127167A (en) * | 2017-05-19 | 2018-11-28 | 윤주원 | Lock with finger scan |
| CN108131065A (en) * | 2017-12-21 | 2018-06-08 | 浙江浦江梅花锁业集团有限公司 | A kind of padlock |
| CN109113458A (en) * | 2018-10-31 | 2019-01-01 | 深圳沃圣数码科技有限公司 | A kind of fingerprint-based padlock |
| CN209837986U (en) * | 2019-01-22 | 2019-12-24 | 深圳沃圣数码科技有限公司 | Fingerprint padlock |
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